566 LA RIM!. 



NA TA TORES. 



THE MASKED GULL. 



Lams capistratus. 



Larus capistratus, Masked Gull, FLEM. Brit. An. p. 142. 



Brown-headed Gull, JENYNS, Brit. Vert. p. 272. 



Chroicocephalus EYTON, Barer Brit. Birds, 



p. 63. 

 Larus Mouette a masque brun, TEMM. Man. d'Ornith. vol. ii. 



p. 783. 



THIS species, first distinguished and separated from Larus 

 ridibundus by M. Temminck, appears to be very rare, 

 since even now, when so much attention is devoted to 

 ornithology, but very few specimens are known. The first 

 notice of it as a British Bird that I am acquainted with in 

 print, occurs in the sale catalogue of Mr. Bullock's col- 

 lection, published in April, 1819. On the fifth day, a day 

 devoted to the sale of British Water-Birds, the sixty-third 

 lot, page 32, is " Brown-headed Gull, L. erythropus, male 

 and female, young and eggs; taken at Westra, in the 



